Seiichi Yasumoto

Person

Itabashi-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display device and driving method thereof
- Patent number 6,417,822
- Issue date Jul 9, 2002
- Hitachi, Ltd.
- Takashi Sasaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Manufacturing method for gas discharge type display panel
- Patent number 6,199,404
- Issue date Mar 13, 2001
- Hitachi, Ltd.
- Michifumi Kawai
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of locating fault of communication system
- Patent number 5,706,422
- Issue date Jan 6, 1998
- Hitachi Ltd.
- Hisayuki Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data transmission method and system thereof
- Patent number 5,497,374
- Issue date Mar 5, 1996
- Hitachi, Ltd.
- Hisayuki Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission method and system thereof
- Patent number 5,426,638
- Issue date Jun 20, 1995
- Hitachi, Ltd.
- Hisayuki Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loop transmission system having plural stations connected in a vari...
- Patent number 4,766,590
- Issue date Aug 23, 1988
- Hitachi, Ltd.
- Takuji Hamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display apparatus capable of selective and partial erasure of...
- Patent number 4,752,773
- Issue date Jun 21, 1988
- Hitachi, Ltd.
- Masao Togawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of detecting recovery from fault in a data transmission syst...
- Patent number 4,704,714
- Issue date Nov 3, 1987
- Hitachi, Ltd.
- Hiroshi Tomizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfiguration control method for a loop-type data network
- Patent number 4,530,085
- Issue date Jul 16, 1985
- Hitachi, Ltd.
- Takuji Hamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loop data transmission control method and system
- Patent number 4,432,054
- Issue date Feb 14, 1984
- Hitachi, Ltd.
- Masakazu Okada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data transmission system and method
- Patent number 4,410,985
- Issue date Oct 18, 1983
- Hitachi, Ltd.
- Seiichi Yasumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rotary type optical switch
- Patent number 4,401,365
- Issue date Aug 30, 1983
- Hitachi, Ltd.
- Sadao Mizokawa
- G02 - OPTICS
Information Patent Grant
Loop type data highway system for data transmission
- Patent number 4,398,288
- Issue date Aug 9, 1983
- Hitachi, Ltd.
- Sadao Mizokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loop type data highway system
- Patent number 4,136,384
- Issue date Jan 23, 1979
- Hitachi, Ltd.
- Masakazu Okada
- G06 - COMPUTING CALCULATING COUNTING

Seiichi Yasumoto

Person

Patents Grantslast 30 patents

Display device and driving method thereof

Manufacturing method for gas discharge type display panel

Method of locating fault of communication system

Data transmission method and system thereof

Transmission method and system thereof

Loop transmission system having plural stations connected in a vari...

Image display apparatus capable of selective and partial erasure of...

Method of detecting recovery from fault in a data transmission syst...

Reconfiguration control method for a loop-type data network

Loop data transmission control method and system

Data transmission system and method

Rotary type optical switch

Loop type data highway system for data transmission

Loop type data highway system